GSPk Fcapmd%trow  Ale cerclee \rme de Pythagoew Deen them (pointing in the direCC t-2 J_Cd`A  K'BC t_tdy`A  M'CB BCCB $`P A DBC #t N N Nic 2CoordSys used to designate two lnes as parallel. Nick Jackiw, 3/91ACCB!d@t$SAp c1HBC`AF%5?F%5?tEhb c2ketch01.gspD$f9u,D$%$#f8%u&f.gspSketch0BC`AF%5?F%5?"ty౴ N 50DyST'o5Qg%o5d7,gg2d7,gC)DCCף?"t N 40Dxgե o5d7,gQSg!Q?QfCCDC@33?tH?  Dt$$$#L$PL$ Q|$t M$#D$PQfD$CA  tty?  x;?'V PR?'@09@V 090V  X BiDC tfD jOfD$f|$+u'Mu |0t$#D$PfD$f|$fCADA? tj'$ m1%P3ɋ$fL$fJt4Mt-fL$fNx: Coordinate(Point x): t  b;?'V PR?'@09@V 090V  X 6CA t1?  a;?'V PR?'@09@V 090V  X CA tL,R kP-3ɋ$fL$3fJ%D$(L$,DCD)D?t %q=J?  c;?'V PR?'@09@V 090V  X DA t >WY? x= ppppppppppppp x{l:x} = x =  tMRPQ E(T$,ÄuBD$D$4%0$(T$,|$0tMu4$#D$PfDA t$1? a=  {D:Da}{DE} = a =  tA8\ b=  {D:Db}{DE} = b =  ta3| c=  {D:Dc}{DE} = c =  ts e m7  b{u:2} - 4{!:*}a{!:*}c = b^2 - 4*a*c =   t Zu? y=ax + bx + c= ppppppppppppp a{!:*}x{u:2} + b{!:*}x + c = y=ax + bx + c =   tt%y* ;I; BiD D 't=&8 ?I;   "ArialFD